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  • Title: The management of arrhythmias following an acute myocardial infarction.
    Author: Rowlands DJ.
    Journal: Intensive Care Med; 1978 Jan; 4(1):13-9. PubMed ID: 621310.
    Abstract:
    Arrhythmias are extremely common early after AMI. An arrhythmia is defined by exclusion, either because the sequence of myocardial depolarisation is other than normal or because certain arbitrary limits are exceeded. It follows that the term "arrhythmia" encompasses a complex heterogenous group. Although arrhythmias are defined in electrical terms they are only important because of their immediate, delayed or potential haemodynamic consequences. These occur because of changes in heart rate, loss of atrial transport function, increased myocardial oxygen consumption, decreased myocardial blood flow or loss os synchronicity of ventricular contraction. The sensible and effective management of arrhythmias following acute myocardial infarction requires an appraisal of the haemodynamic consequences, if any, which follow the initiation of the arrythmia. The indications for treating an arrhythmia must be the immediate, delayed or potential haemodynamic loss rather than the mere presence of a rhythm which falls outside the limits of normal. This distinction is perhaps most clearly seen in the case of atrio-ventricular conduction disturbances.
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